 <template>
    <div>
        <el-container>
            <el-aside width="50%">
                <h1 class="homeTitle">smallFrog 书店</h1>
                <p class="content" v-html="notice">{{notice}}</p>
                <el-button class="startBtn" @click="toCate()">Get Stated</el-button>
            </el-aside>
            <el-main>
                <div>
                    <h3>热销图书</h3>
                    <template>
            <el-carousel :interval="1000" type="card" height="200px">
            <el-carousel-item v-for="(item,i) in recBooks" :key="i">
             <h3 class="medium">
                 <img :src="item[2]" alt="aa">
             </h3>
            </el-carousel-item>
            </el-carousel>
            </template>
                
                </div>
            </el-main>
        </el-container>

      
    </div>
</template>

<script>
    import axios from "axios";
    import myapi from "../api";
    export default {
        data() {
            return {
                notice:'没有通知',
                recBooks: [],
               
            }
        },
        created() {
            axios.post(myapi.hotBooks.url).then(res => {
                //这是获取后端通知
                if(res.data.code==100){
                 this.recBooks = res.data.data; //获取数据
                this.$message({
                    	showClose: true,
						message: '获取通知成功！',
						type: 'success',
					    center: true
                });
                }else{
                    this.notice='';
                    this.$message({
                        showClose:true,
                        message:'获取失败!',
                        type:'error',
                        center:true
                    });
                }  
            }).catch(res=>{
                this.notice='';
                
                this.$message({
                    showClose:true,
                    message:'获取失败！',
                    type:'error',
                    center:true
                });
            });

            axios.post(myapi.notice.url).then(res => {
                //这是获取后端通知
                if(res.data.code==100){
                 this.notice = res.data.data.details; //获取数据
                this.$message({
                    	showClose: true,
						message: '获取通知成功！',
						type: 'success',
					    center: true
                });
                }else{
                    this.notice='';
                    this.$message({
                        showClose:true,
                        message:'获取失败!',
                        type:'error',
                        center:true
                    });
                }  
            }).catch(res=>{
                this.notice='';
                
                this.$message({
                    showClose:true,
                    message:'获取失败！',
                    type:'error',
                    center:true
                });
            });

        },
        methods: {
            transRec() {
                
                var Arr = [];
                for (var i = 0, idx = -1; i < this.recBooks.length; i++) {
                    i % 4 == 0 && idx++;
                    if (Object.prototype.toString.call(Arr[idx]) != "[object Array]")
                        Arr[idx] = [];
                    Arr[idx].push(this.recBooks[i]);
                }
                this.transRecBooks = Arr;
            },
            toInfo(e) {
                this.$router.push({
                    path: "/bookInfo",
                    query: {
                        ID: e.ID
                    }
                });
            },
            toCate(e) {
                this.$router.push({
                    path: "/category",
                });
            }
        }
    }
</script>

<style>
     .el-carousel__item h3 {
    color: #475669;
    font-size: 14px;
    opacity: 0.75;
    line-height: 200px;
    margin: 0;
  }
  
  .el-carousel__item:nth-child(2n) {
    background-color: #99a9bf;
  }
  
  .el-carousel__item:nth-child(2n+1) {
    background-color: #d3dce6;
  }
    .homeTitle {
        width: 400px;
        color: #333333;
        font-size: 40px;
        font-weight: 600;
        text-align: left;
        margin-left: 150px;
    }

    .indexImg {
        width: 500px;
        margin: 0 auto;
    }

    .content {
        width: 400px;
        color: #333333;
        font-size: 18px;
        line-height: 35px;
        text-align: left;
        margin-left: 150px;
    }

    .startBtn {
        width: 150px;
        height: 40px;
        margin-left: 150px;
        margin-top: 80px;
        border-radius: 25px;
        border: none;
        outline: none;
        background-color: #4F6E9D;
        color: #FFFFFF;
        box-shadow: 0 2px 4px rgba(0, 0, 0, .12), 0 0 6px rgba(0, 0, 0, .04);
    }

    .startBtn:focus,
    .startBtn:hover {
        color: #FFFFFF;
        border-color: #7E9DCA;
        background-color: #7E9DCA;
    }

    .startBtn:active {
        color: #FFFFFF;
        border-color: #7E9DCA;
        outline: 0;
    }

    .recommend {
        margin-top: 30px;
        padding-top: 30px;
        padding-bottom: 50px;
        /* background-color: #f8f9fb; */
        /* background-image: linear-gradient(#FFFFFF, #F2F2F7); */
    }

    .recommend .recommendTitle {
        color: #333333;
        text-align: center;
        font-size: 30px;
        font-weight: 600;
        margin-bottom: 50px;
    }

    .recommend .recLine {
        justify-content: center;
        display: flex;
    }

    .recommend .recLine .card {
        width: 200px;
        margin-top: 20px;
        margin-bottom: 20px;
        margin-left: 40px;
        margin-right: 40px;
        /* border-radius: 15px; */
        position: relative;
    }

    .recommend .recLine .card .img {
        width: 80%;
        height: 80%;
        display: block;
        cursor: pointer;
        margin: 0 auto;
        padding-top: 20px;
    }

    .recommend .recLine .card .name {
        padding-top: 14px;
        padding-left: 20px;
        padding-right: 20px;
        padding-bottom: 14px;
        font-size: 16px;
    }

    .recommend .recLine .card .rate {
        text-align: center;
        padding: 0 10px 14px 10px;
    }

    .el-link.el-link--default {
        color: #4f6e9d;
    }

    .el-link.el-link--default:hover {
        color: #7e9dca;
    }

    .recommend .recLine .row .readIcon {
        text-align: left;
        padding-right: 5px;
    }

    .recommend .recLine .row .rate {
        text-align: center;
        padding: 10px 10px 14px 10px;
    }
</style>